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Earnings Per Share (Tables)
6 Months Ended
Oct. 28, 2011
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share
  Three months ended Six months ended
  October 28,  October 29,  October 28,  October 29,
(in millions, except per share data)2011 2010 2011 2010
Numerator:             
Net earnings $871 $566 $ 1,692 $1,396
Denominator:            
Basic – weighted average shares outstanding   1,058.1  1,080.1   1,060.6  1,083.1
Effect of dilutive securities:            
Employee stock options   0.2  0.3   0.7  0.5
Employee restricted stock awards/units   4.6  3.1   4.7  2.9
Other   0.2  0.2   0.2  0.2
Diluted – weighted average shares outstanding   1,063.1   1,083.7   1,066.2   1,086.7
             
Basic earnings per share $0.82 $0.52 $1.60 $1.29
Diluted earnings per share $0.82 $0.52 $1.59 $1.28